Alright, let's work through 66498248 times 76473684 step by step
66498248 × 76473684 = 76473684 × (66498248)
+ 76473684 × 8 what gives us 611789472
+ 76473684 × 40 which equals 3058947360
+ 76473684 × 200 which equals 15294736800
+ 76473684 × 8000 which equals 611789472000
+ 76473684 × 90000 giving us 6882631560000
+ 76473684 × 400000 yielding 30589473600000
+ 76473684 × 6000000 yielding 458842104000000
+ 76473684 × 60000000 producing 4588421040000000

= 5085366004105632
